Microphone swivel adaptor



FIG. 1 is an isometric view of a microphone swivel adaptor showing our new design;

FIG. 2 is front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a cross-sectional view taken along line 5--5 of Fig. 4;

FIG. 6 is a top plan view thereof;

FIG. 7 is a left side elevational view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines which define the bounds of the claimed design form no part thereof. 

The ornamental design for a microphone swivel adaptor, as shown and described. 